class_docstr: Builder for decentralized multiagent setup.
code: def make_policy(
      self,
      networks: ma_types.MultiAgentNetworks,
      environment_spec: specs.EnvironmentSpec,
      evaluation: bool = False,
  ) -> ma_types.MultiAgentPolicyNetworks:
      return decentralized_factories.policy_network_factory(
          networks,
          environment_spec,
          self._agent_types,
          self._agent_configs,
          eval_mode=evaluation,
          init_policy_network_fn=self._init_policy_network_fn,
      )
  
imports: from typing import Dict, Iterator, List, Mapping, Optional, Sequence
  from acme import adders
  from acme import core
  from acme import specs
  from acme import types
  from acme.agents.jax import builders
  from acme.agents.jax.multiagent.decentralized import actor
  from acme.agents.jax.multiagent.decentralized import factories
  from acme.agents.jax.multiagent.decentralized import learner_set
  from acme.jax import networks
  from acme.multiagent import types
  from acme.multiagent import utils
  from acme.utils import counting
  from acme.utils import iterator_utils
  from acme.utils import loggers
  import jax
  import reverb
label_desc: Use image node_id 7 for calling the DecentralizedMultiAgentBuilder obj's underlying member method code with example usage: obj.make_policy(networks, environment_spec, evaluation) and returns: decentralized_factories